136397432 has 16 divisors (see below), whose sum is σ = 256011000. Its totient is φ = 68127840.

The previous prime is 136397399. The next prime is 136397449. The reversal of 136397432 is 234793631.

136397432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182 + ... + 16517.

Almost surely, 2^136397432 is an apocalyptic number.

It is an amenable number.

136397432 is a deficient number, since it is larger than the sum of its proper divisors (119613568).

136397432 is a wasteful number, since it uses less digits than its factorization.

136397432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17726 (or 17722 counting only the distinct ones).

The product of its digits is 81648, while the sum is 38.

The square root of 136397432 is about 11678.9311154746. The cubic root of 136397432 is about 514.7567670326.

The spelling of 136397432 in words is "one hundred thirty-six million, three hundred ninety-seven thousand, four hundred thirty-two".